![]() It lives in the tropical waters and coral reefs of the Indian Ocean. The sweetlips fish is a species related to the grouper. Sweetlips Fish Sweetlips fish | image by Marc Tarlock via Flickr | CC BY-SA 2.0 These popular fish are able to eat nearly anything, are very easy to care for and can live for a very long time. Unlike many carp species, they are usually quite colorful, and are popular fish for aquariums and outdoor ponds. While they may look like giant goldfish to some, koi are a kind of carp. Instead of bringing in oxygen through the gills and expelling carbon dioxide, carp convert glycogen into lactic acid, which they then metabolize into carbon dioxide and ethanol. They come in a variety of colors, and can grow up to three feet long.Ĭarp are unusual because they can live in water with low oxygen levels, including water covered with ice and stagnant water, where the oxygen is not replenished. These freshwater fish are native to Europe and Asia, and have been introduced to North America and Africa, where they are often an invasive species.Ĭarp are omnivorous, meaning they will eat anything. All are members of the Cyprinidae family. Several different species of fish with large lips are called carp. You may also like: 5 Fish That Swim Upstream (With Pictures) 4. Humphead wrasse mature very slowly, becoming adults at age 5 or 6. ![]() Scientists don’t understand why some wrasse change and others do not. This process is called protogynous hermaphroditism. Humphead wrasse are unusual in that they are born female, and then some individuals change to males when they mature. Humphead wrasse can vary in color from dark green to bright blue, although they tend to have two black lines under their eyes. It eats smaller fish, shrimp, worms, crabs, and other small sea animals that live on coral reefs. The humphead wrasse can grow up to 6′ long and weigh up to 400 pounds. The humphead wrasse is also sometimes called the Napoleon wrasse or the Napoleon fish. It is a saltwater fish found in coral reefs in the Indian and Pacific Oceans. The humphead wrasse ( Cheilinus undulates) is a fish with truly gigantic lips. Humphead Wrasse Humphead wrasse | image by ictheostega via Flickr | CC BY 2.0 The pacu can grow much larger than the piranha and can reach lengths of 3 feet or more and weights nearing 100 pounds. However, it has been introduced to other parts of the world, and in some places, like New Guinea, it has become a serious nuisance, and driven out local species of fish.Īlthough the pacu is related to the piranha, it is a vegetarian, eating plants that grow in rivers. It is also native to tropical waters in South America. Like the piranha, it is a member of the Serrasalmidae family. Pacu Red Pacu | image by Quinn Dombrowski via Flickr | CC BY-SA 2.0Īnother commonly known fish with large lips is the pacu. Although the piranha is voracious in the wild, it does not often attack humans. In an aquarium, some piranha species can grow up to a foot long. It is a very popular aquarium fish, despite, or perhaps because of, its reputation. Two of the piranha species with particular reputations for aggressiveness are the black piranha, and the red-bellied piranha. The piranha has a reputation as a terrifying predator, because of its aggressive feeding habits and its enormous teeth. In addition to its powerful jaw and teeth that have a strong bite force, the piranha has very large lips. The jaw of the piranha is controlled by large muscles, enabling it to deliver a powerful bite. The name is appropriate, as piranha have formidable jaws of twenty or more sharp teeth. The name piranha comes from a combination of Tupi words, pira and nya, which, together, mean biting fish. Pirhana are tropical freshwater fish found in the Amazon and other rivers in South America. Probably the best known fish with big lips is the piranha, one of several related species in the Serrasalmidae family. Here are 10 species of fish with big lips. Still others think that fish with larger lips use them to attract mates. Others think that enlarged lips help fish frighten off predators. Some speculate that those fish with large lips are able to hunt or forage for food more easily than fish with smaller lips in the same environmental niche. ![]() They have developed many theories as to why fish might evolve with big lips. This feature has evolved in both freshwater and saltwater fish, and in many different climate zones.īiologists who specialize in fish are called ichthyologists. Many fish species have unusually large, prominent lips.
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